Yasi is specialized in R&D, manufacturing, marketing and technical service of high precision optical glass components, high power laser optics and various infrared optics ect，With advanced technology, high quality products, and good service of our professional team, we can fulfill customers，requirements of manufacturing optical components made from various materials, such as zinc selenide, zinc sulfide, calcium, barium fluoride, germanium, YAG crystal, yttrium vanadate, sapphire, fused quartz, ceramics, coopers, aluminium, molybdenum ect. Yasi adheres to the principle of "quality first, credibility foremost". We have been striving for development by the quality, credibility, and pursuing reliability on the basis of high quality relying on technological innovation and scientific management, in order to provide high performance and cost-effective products for scientific research academies, military industry and enterprises domestically and overseas